Alachua Formation
# Alachua Formation

The Alachua Formation is a Miocene geologic formation in Florida. The claystones, sandstones and phosphorites of the formation preserve many fossils of mammals, birds, reptiles and fish, among others megalodon.

## Fossil content

The formation has provided the following fossils.

### Mammals

**Rodents**

* Harrymys magnus
* Nototamias hulberti
* Petauristodon pattersoni
* Proheteromys floridanus
* cf. Miospermophilus sp.
* Mylagaulus kinseyi
* cf. Texomys sp.
* Lagomorpha indet.
* Mylagaulidae indet.

**Carnivora**

* Amphicyon longiramus
* Borophagus orc
* B. pugnator
* Cynelos caroniavorus
* Enhydritherium terraenovae
* Epicyon haydeni
* E. saevus
* Eucyon davisi
* Euoplocyon spissidens
* Leptarctus ancipidens
* Metatomarctus canavus
* Oligobunis floridanus
* Osbornodon iamonensis
* Phoberocyon johnhenryi
* Zodiolestes freundi
* Borophagus sp.
* Phlaocyon sp.
* Sthenictis sp.
* Felidae indet.
* Mustelinae indet.

**Ground sloths**

* Pliometanastes protistus
* Thinobadistes segnis

**Gomphotheres**

* Amebelodon (Konobelodon) britti
* Amebelodon sp.

**Artiodactyls**

* Aepycamelus major
* Diabolocornis simonsi
* Floridachoerus olseni
* Floridameryx floridanus
* Floridatragulus dolichanthereus
* Hemiauchenia minima
* Machaeromeryx gilchristensis
* Nothokemas floridanus
* Parablastomeryx floridanus
* Pediomeryx hemphillensis
* Prosynthetoceras texanus
* Synthetoceras australis
* S. cf. tricornatus
* Yumaceras hamiltoni
* Aepycamelus sp.
* Hemiauchenia sp.
* Merycoidodon sp.
* Antilocapridae indet.
* Camelidae indet.
* Ruminantia indet.
* Tayassuidae indet.
* Tayassuinae indet.

**Soricomorpha**

* Karstala silva
* Miomyotis floridanus
* Primonatalus prattae
* Suaptenos whitei
* Limnoecus sp.
* Chiroptera indet.

**Perissodactyls**

* Anchitherium clarencei
* Aphelops malacorhinus
* A. mutilus
* Archaeohippus blackbergi
* Calippus elachistus
* Calippus hondurensis
* Calippus maccartyi
* Cormohipparion emsliei
* C. ingenuum
* C. plicatile
* Floridaceras whitei
* Menoceras barbouri
* Nannippus aztecus
* N. morgani
* N. westoni
* Neohipparion trampasense
* Parahippus leonensis
* Protohippus gidleyi
* Pseudhipparion skinneri
* Tapirus webbi
* Teleoceras proterum
* Hipparion cf. tehonense
* cf. Astrohippus sp.
* Dinohippus sp.

**Sirenians**

* Metaxytherium cf. floridanum

**Lipotyphla**

* Talpidae indet.

**Theriiformes**

* Vespertilionidae indet.

### Birds

* Anhinga grandis
* A. subvolans
* Boreortalis laesslei
* Ereunetes rayi
* Jacana farrandi
* Nycticorax fidens
* Phalacrocorax wetmorei
* Promilio brodkorbi
* P. epileus
* P. floridanus
* Rhegminornis calobates
* Thomasococcyx philohippus
* Anatidae indet.
* Cuculidae indet.

### Reptiles

**Turtles**

* Floridemys nana
* Hesperotestudo turgida
* Macrochelys auffenbergi
* Pseudemys caelata
* P. carri
* P. williamsi
* Testudo tedwhitei
* Apalone sp.
* Deirochelys sp.
* Pseudemys sp.
* Trachemys sp.

**Crocodiles**

* Alligator mississippiensis
* A. olseni
* Thecachampsa sericodon
* Alligator sp.

**Snakes**

* Anilioides minuatus
* Boa constrictor
* Calamagras floridanus
* Ogmophis pauperrimus
* Paraoxybelis floridanus
* Pseudocemophora antiqua
* Pterygoboa sp.

**Lizards**

* Peltosaurus floridanus
* Gekkonidae indet.
* Scolecophidia indet.

### Amphibians

**Anurans**

* Bufo praevius
* Hyla goini
* Proacris mintoni
* Scaphiopus (Scaphiopus) holbrooki
* Microhyla sp.
* Rana sp.

**Salamanders**

* Siren hesterna

### Fish

**Sharks**

* megalodon
* Carcharhinus brevipinna
* Carcharhinus limbatus
* Carcharhinus leucas
* Carcharhinus plumbeus
* Carcharias taurus
* Carcharodon hastalis
* Galeocerdo aduncus
* Negaprion brevirostris
* Physogaleus contortus
* Rhizoprionodon terranovae
* Carcharhinus sp.
* Negaprion sp.

**Rays**

* Pristis sp.

**Others**

* Hemipristis serra
* Lepisosteus sp.
